GB/T 3049 Chemical products for industrial use. General method for determination of iron content 1, 10 Phenanthroline spectrophotometric method
GB/T 3143 Color determination method of liquid chemicals(Hazen unit--Platinum-cobalt scale)
GB/T 3723 Sampling of chemical products for industrial use--Safety in sampling
GB/T 601 Chemical reagent.Preparations of reference titration solutions
GB/T 602 Chemical reagent--Preparations of standard solutions for impurity
GB/T 603 Preparation of preparations and products used in chemical reagent test methods*, 2023-08-06 Update
GB/T 6283 Chemical products.Determination of water Karl.fischer method(general method)
GB/T 6324.2 Test method of organic chemical products-Part 2:Determination of dry residue after evaporation on a water bath for volatile organic liquids
GB/T 6324.8 Test methods of organic chemical products.Part 8: Determination of water of liquid products.Carl · fischer coulometric method
GB/T 6678 General principles for sampling chemical products
GB/T 6680 General rules for sampling liquid chemical products
GB/T 6682 Water for analytical laboratory use.Specification and test methods
GB/T 7533 Determination for crystallizing point of organic chemical products for industrial use
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 9722 General Principles of Chemical Reagent Gas Chromatography*, 2023-08-06 Update
GB/T 1628-2020 history
2020GB/T 1628-2020 Glacial acetic acid for industrial use
2008GB/T 1628-2008 Glacial acetic acid for industrial use